Bevel Gear noise? - Arctic Cat Prowler Forums: Prowler UTV Forum
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post #1 of 33 (permalink) Old 11-04-2017, 06:02 PM Thread Starter
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Bevel Gear noise?

I have a 2007 Prowler 650 and read many posts about the bevel gears in the engine case. i have the spherical gears and considering installing upgrade kit number 0822-146 because I'm thinking they are causing the VERY LOAD HIGH PITCH WHINE when accelerating and under load. Soon as I let off gas it quits (rpm I can hear it from about 20 to 40 mph. I just want to confirm doing this again since I recently rebuilt motor...fried rod bearing-low oil , The gears looked fine. Replaced primary clutch and belt. It was doing it before rebuild as well. Mostly I read about broken gears because of hard riding or big wheels but not the high pitch whine. Been wearing ear protection!

Thanks for any help out there!
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post #2 of 33 (permalink) Old 11-05-2017, 07:46 AM
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Welcome to the forum! Did you replace the oil pump driven gear with the rebuild? The 2007 650 has a history of the gear stripping, it happened to me.

'07 Prowler 650 H1 XT, L.E.D. stop/turn signals, Summit Racing heater, AC winch, AC windshield, soft cab & doors, 6' Eagle Plow, oil gauge, Maxxis MT-762 truck tires, AC Fender Flares, E-Brake alarm, Yutrax UTV Jump Seat, Dynatek CDI
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post #3 of 33 (permalink) Old 11-05-2017, 09:04 AM
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Gear whine can be contributed to backlash clearance due to wear. AC has different shims for setting up the gears. Upgrading is a great idea if you plan on keeping your Prowler!

2009 700EFI XTX, , AC Winch, 2010 Dust Shield EPI Sport Utility Clutch Kit , Street Legal, Cage chopped 2 ", Aluminum Diamond Plate Trim, Relocated Factory Bladders with covers, 5 Pt. Harness installed, Bed Tiedown System, Scat Pro-Car Seats, Secondary Battery installed, Oil Pressure, Oil/CVT Temperature, Volt Meter & Water Temp Gauges installed with Dash Plate, Bighorns, ITP Black 212 Wheels. Tonneau cover. 750 Big Bore Kit, Web Cam, and Rocker Arms.

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post #4 of 33 (permalink) Old 11-06-2017, 06:24 AM Thread Starter
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No I didn't unfortunately however I noticed the snap ring was bent from gear hitting slot for pin. I did replace oil pump but put an Eclip on instead. Didn't see the upgrade till after reassembly, didn't see any tooth problem. Im posting a vid of the sound. thanks for reply.
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post #5 of 33 (permalink) Old 11-06-2017, 06:45 AM Thread Starter
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Noisy Prowler

The video can be found at Arctic Chat that I posted there. This site wont let be post URL link
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When it was apart I just pulled secondary shaft out and checked bearings. They were good put did replace bearing on pinion but old was good after realizing the outside bearing cap supports the short shaft. Didn't realize washer was a shim, now I see it in manual!

Wondering why AC upgraded gears? Noise? breaking teeth? Cant order them on AC sites but found them only at Cat Country.


Ya your right it depends if I keep it. Got $1600 in it since rebuild. Got FM ear muffs but noise does take the fun out of it. Thank you reply.

Last edited by Pointman; 11-06-2017 at 07:56 AM.
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post #6 of 33 (permalink) Old 11-06-2017, 07:01 AM
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Here's what my oil pump gear looked like, at the time it had around 3000 miles on it.
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'07 Prowler 650 H1 XT, L.E.D. stop/turn signals, Summit Racing heater, AC winch, AC windshield, soft cab & doors, 6' Eagle Plow, oil gauge, Maxxis MT-762 truck tires, AC Fender Flares, E-Brake alarm, Yutrax UTV Jump Seat, Dynatek CDI
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post #7 of 33 (permalink) Old 11-06-2017, 07:58 AM Thread Starter
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Wow, thats crazy I better change that gear! Glad I put an oil press gauge in
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post #8 of 33 (permalink) Old 11-06-2017, 10:07 AM
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Quote:
Originally Posted by mlh1962 View Post
Here's what my oil pump gear looked like, at the time it had around 3000 miles on it.
might also explain where the gear metal and junk ended up

name is Gary or hey you if ya forget

2009 Prowler XTZ , couple things added here and there
'83 CJ7 / SBC + whole lot added here and there
'01 Dodge / Cummins / Dually, a ton of stuff added here and there

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post #9 of 33 (permalink) Old 11-18-2017, 12:26 PM Thread Starter
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Up date Removed one way bearing. Did not make a difference. Guess Im back to bevel gears replacement and setting proper backlash. A dealer told me they all make that much noise when they got lots of miles.
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post #10 of 33 (permalink) Old 12-02-2017, 10:32 AM
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Split my case, found the shim to be 1.05 on mine, next size larger is 1.10 this will decrease the backlash. I have over 10,000 miles on my 700 XTX.

2009 700EFI XTX, , AC Winch, 2010 Dust Shield EPI Sport Utility Clutch Kit , Street Legal, Cage chopped 2 ", Aluminum Diamond Plate Trim, Relocated Factory Bladders with covers, 5 Pt. Harness installed, Bed Tiedown System, Scat Pro-Car Seats, Secondary Battery installed, Oil Pressure, Oil/CVT Temperature, Volt Meter & Water Temp Gauges installed with Dash Plate, Bighorns, ITP Black 212 Wheels. Tonneau cover. 750 Big Bore Kit, Web Cam, and Rocker Arms.

Either - Dick or RD
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